42220240320 has 112 divisors (see below), whose sum is σ = 134154915840. Its totient is φ = 11249857536.

The previous prime is 42220240313. The next prime is 42220240331. The reversal of 42220240320 is 2304202224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249569 + ... + 1282911.

Almost surely, 2^42220240320 is an apocalyptic number.

42220240320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42220240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67077457920).

42220240320 is an abundant number, since it is smaller than the sum of its proper divisors (91934675520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42220240320 is a wasteful number, since it uses less digits than its factorization.

42220240320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34682 (or 34672 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 42220240320 its reverse (2304202224), we get a palindrome (44524442544).

The spelling of 42220240320 in words is "forty-two billion, two hundred twenty million, two hundred forty thousand, three hundred twenty".